Khayrullaev H, Kovács E. Numerical performance of some positivity preserving methods for the diffusion equation where the diffusion coefficient depends on both time and space. IJANSER [Internet]. 2024 Mar. 13 [cited 2024 Nov. 23];8(2):284-92. Available from: https://as-proceeding.com/index.php/ijanser/article/view/1722